John Dalton qhov kev sim rau atomic theory yog dab tsi?

Video: John Dalton qhov kev sim rau atomic theory yog dab tsi?

2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36

Dalton qhov kev sim ntawm gases coj mus rau nws nrhiav pom tias tag nrho cov siab ntawm ib tug sib tov ntawm gases npaum li cas rau cov sum ntawm ib feem ntawm lub siab uas txhua tus neeg gas exerted thaum nyob rau tib qhov chaw. Nyob rau hauv 1803 no scientific txoj cai officially tuaj mus rau lub npe hu ua Dalton tus Txoj Cai Ntawm Ib Feem Siab.

Ua li no, John Dalton tau pab dab tsi rau txoj kev xav ntawm atomic?

Dalton's atomic txoj kev xav tau hais tias txhua qhov teeb meem yog tsim los ntawm atoms , indivisible thiab indestructible tsev blocks. Thaum tag nrho atoms ntawm ib lub ntsiab yog zoo tib yam, txawv cov ntsiab lus muaj atoms ntawm txawv qhov loj thiab loj.

Ib sab saum toj no, Dalton nrhiav tau lub atom li cas? Dalton hypothesized tias txoj cai ntawm kev txuag ntawm huab hwm coj thiab txoj cai ntawm meej proportions yuav piav qhia siv lub tswv yim ntawm atoms . Nws tau hais tias txhua yam teeb meem yog ua los ntawm me me indivisible hais hu ua atoms , uas nws xav tias yog "khoom, hnyav, nyuaj, impenetrable, movable particle(s)".

Raws li txoj cai, John Dalton tau sim ua dab tsi los sim nws txoj kev xav atomic?

Xyoo 1803 Dalton tshawb pom tias cov pa oxygen ua ke nrog ib lossis ob qhov ntim ntawm nitric oxide nyob rau hauv cov hlab ntsha kaw hla dej thiab qhov kev soj ntsuam pioneering ntawm ib qho kev faib ua feem ntau yog qhov tseem ceeb. kev sim pov thawj rau nws qhov pib atomic tswv yim.

John Dalton txoj kev pab yog dab tsi?

John Dalton yog ib tug kws tshuaj uas ua tau ntau yam kev pab rau science, txawm nws tseem ceeb tshaj plaws kev pab yog lub atomic txoj kev xav: qhov teeb meem yog thaum kawg ua los ntawm atoms. Qhov kev xav no coj mus rau kev nkag siab niaj hnub ntawm atoms.

Pom zoo:

Dab tsi tshwm sim ntawm Theodor Engelmann qhov kev sim nto moo qhia rau nws uas wavelength S yog tus tsav tsheb zoo tshaj plaws ntawm photosynthesis?

Cov kab mob sib sau ua ke ntau tshaj plaws nyob ze ntawm ib feem ntawm cov alga uas tau nthuav tawm cov xim liab thiab xiav wavelengths. Engelmann qhov kev sim ua kom pom tias lub teeb liab thiab xiav yog lub zog zoo tshaj plaws rau photosynthesis

Dab tsi yog Dalton qhov kev pab cuam rau atomic txoj kev xav?

Dalton's atomic txoj kev xav tau hais tias txhua yam teeb meem yog tsim los ntawm atoms, indivisible thiab indestructible tsev blocks. Thaum tag nrho cov atoms ntawm ib lub caij yog zoo tib yam, cov ntsiab lus sib txawv muaj atoms ntawm qhov sib txawv loj thiab loj

Yuav ua li cas tshwm sim rau atoms nyob rau hauv cov tshuaj tiv thaiv raws li Dalton lub atomic txoj kev xav?

Dalton's Atomic Theory Tag nrho cov atoms ntawm ib lub caij yog tib yam. Cov atoms ntawm cov ntsiab lus sib txawv sib txawv hauv qhov loj thiab loj. Cov tshuaj yog tsim los ntawm kev sib txawv ntawm cov lej sib txawv ntawm cov atoms. Cov tshuaj tiv thaiv tshuaj ua rau muaj kev hloov pauv ntawm cov atoms hauv cov reactant thiab cov khoom sib txuas

Dab tsi yog qhov kev ua yuam kev hauv kev sim nrog cov hluav taws xob tam sim no?

Cov peev txheej ntawm kev ua yuam kev suav nrog cov cuab yeej, ib puag ncig, txheej txheem, thiab tib neeg. Tag nrho cov kev ua yuam kev no tuaj yeem ua tsis tau lossis ua haujlwm nyob ntawm seb lawv cuam tshuam li cas. Instrumental yuam kev tshwm sim thaum cov cuab yeej siv tsis raug, xws li qhov sib npaug uas tsis ua haujlwm (SF Fig